Patents by Inventor Peter Meins

Peter Meins has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • 13,15-Dioxabicyclo[10.5.0]heptadecanes, their preparation, and their use in perfume compositions and as an odorant
    Patent number: 4268443
    Abstract: This invention is directed to 13,15-dioxabicyclo[10.5.0]heptadecanes having the structural formula ##STR1## wherein R and R.sup.1 are independently hydrogen or a methyl radical. The invention is also directed to their preparation, their use as perfuming agents and as olefactant components in perfume compositions and as an odorant agent for technical products.
    Type: Grant
    Filed: June 14, 1979
    Date of Patent: May 19, 1981
    Assignee: Henkel Kommanditgesellschaft auf Aktien (Henkel KGaA)
    Inventors: Klaus Bruns, Peter Meins
  • 13-Oxabicyclo[10.3.0]pentadecane, its preparation and use in perfume compositions and as an odorant
    Patent number: 4222904
    Abstract: 13-Oxabicyclo[10.3.0]pentadecane having the structural formula: ##STR1## its synthesis, its use as a perfumery agent and as an olefactant component in perfume compositions and as an odorant agent for technical products.
    Type: Grant
    Filed: March 1, 1979
    Date of Patent: September 16, 1980
    Assignee: Henkel Kommanditgesellschaft auf Aktien (Henkel KGaA)
    Inventors: Peter Meins, Klaus Bruns
  • 2-Cyclopropyl-4-isopropyl-2,5,5-trimethyl-1,3-dioxane as odorant
    Patent number: 4220593
    Abstract: A perfumery composition consisting essentially of from 1% to 50% by weight of a 4-isopropyl-5,5-dimethyl-1,3-dioxane of the formula ##STR1## wherein R.sub.1 and R.sub.2 are individually members selected from the group consisting of hydrogen, alkyl having from 1 to 3 carbon atoms and cyclopropyl, and the remainder customary constituents of perfumery compositions; as well as novel 4-isopropyl-5,5-dimethyl-1,3-dioxanes of the above formula wherein both R.sub.1 and R.sub.2 are not simultaneously hydrogen.
    Type: Grant
    Filed: October 27, 1978
    Date of Patent: September 2, 1980
    Assignee: Henkel Kommanditgesellschaft auf Aktien (Henkel KGaA)
    Inventors: Klaus Bruns, Jens Conrad, Peter Meins, Hinrich Moller, Harald Schnegelberger
  • Perfume compositions with 4-isopropyl-5,5-dimethyl-1,3-dioxane
    Patent number: 4146506
    Abstract: A perfumery composition consisting essentially of from 1% to 50% by weight of a 4-isopropyl-5,5-dimethyl-1,3-dioxane of the formula ##STR1## wherein R.sub.1 and R.sub.2 are individually members selected from the group consisting of hydrogen, alkyl having from 1 to 3 carbon atoms and cyclopropyl, and the remainder customary constituents of perfumery compositions; as well as novel 4-isopropyl-5,5-dimethyl-1,3-dioxanes of the above formula wherein both R.sub.1 and R.sub.2 are not simultaneously hydrogen.
    Type: Grant
    Filed: October 21, 1977
    Date of Patent: March 27, 1979
    Assignee: Henkel Kommanditgesellschaft auf Aktien (Henkel KGaA)
    Inventors: Klaus Bruns, Jens Conrad, Peter Meins, Hinrich Moller, Harald Schnegelberger
  • Perfume compositions containing cis- and trans-trimethylcyclohexylethyl ethers
    Patent number: 4130509
    Abstract: A perfumery composition consisting essentially of from 1% to 50% by weight of cis- and trans-trimethylcyclohexylethyl ethers of the formulae: ##STR1## and the remainder customary constituents of perfumery compositions; and a process for producing trans-3,3,5-trimethylcyclohexylethyl ether by means of hydrogenation of 3,3,5-trimethylcyclohexenylethyl ether with dry nickel catalysts at a temperature of 150.degree.-200.degree. C and at 10-200 bar hydrogen pressure and processing of the hydrogenation product in the conventional manner.
    Type: Grant
    Filed: December 21, 1977
    Date of Patent: December 19, 1978
    Assignee: Henkel Kommanditgesellschaft auf Aktien (Henkel KGaA)
    Inventors: Jens Conrad, Klaus Bruns, Peter Meins
  • Carbonic acid ester perfumes
    Patent number: 4080309
    Abstract: Carbonic acid esters of the formula ##STR1## wherein R.sub.1 is a member having from 8 to 12 carbon atoms selected from the group consisting of alkylcyclohexyl, alkenylcyclohexyl, alkynylcyclohexyl and cycloalkyl, and R.sub.2 is a member selected from the group consisting of alkyl having from 1 to 5 carbon atoms, alkenyl having from 2 to 5 carbon atoms and alkynyl having from 2 to 5 carbon atoms, which compounds have pleasing and persistent scents, as well as processes for producing them and perfume compositions containing them.
    Type: Grant
    Filed: February 14, 1977
    Date of Patent: March 21, 1978
    Assignee: Henkel Kommanditgesellschaft auf Aktien (Henkel KGaA)
    Inventors: Klaus Bruns, Peter Meins
  • Cycloalkyl carbonates
    Patent number: 4033993
    Abstract: Carbonic acid esters of the formula ##STR1## wherein R.sub.1 is a member having from 8 to 12 carbon atoms selected from the group consisting of alkylcyclohexyl, alkenylcyclohexyl, alkynylcyclohexyl and cycloalkyl, and R.sub.2 is a member selected from the group consisting of alkyl having from 1 to 5 carbon atoms, alkenyl having from 2 to 5 carbon atoms and alkynyl having from 2 to 5 carbon atoms, which compounds have pleasing and persistent scents, as well as processes for producing them and perfume compositions containing them.
    Type: Grant
    Filed: April 14, 1976
    Date of Patent: July 5, 1977
    Assignee: Henkel & Cie G.m.b.H.
    Inventors: Klaus Bruns, Peter Meins
  • Odoriferous cycloalkyl acetals
    Patent number: 3993697
    Abstract: An odoriferous acetal having the formula ##EQU1## wherein R is a cycloalkyl having from 8 to 12 carbon atoms, R.sub.1 is a member selected from the group consisting of hydrogen and methyl, and R.sub.2 is a member selected from the group consisting of methyl, ethyl, propyl, isopropyl, allyl and propargyl. These compounds have a woody amber odor and are useful in the preparation of scents.
    Type: Grant
    Filed: May 29, 1975
    Date of Patent: November 23, 1976
    Assignee: Henkel & Cie G.m.b.H.
    Inventors: Klaus Bruns, Peter Meins
  • Dialkylphosphonoacetylurea compounds and processes for preparation and use for flameproofing
    Patent number: 3937612
    Abstract: Dialkylphosphonoacetylurea compounds which contain hydroxymethyl groups or alkoxymethyl groups and their preparation, as well as their use for the flameproofing of cellulose-containing materials.
    Type: Grant
    Filed: December 26, 1974
    Date of Patent: February 10, 1976
    Assignee: Henkel & Cie GmbH
    Inventors: Johann Schwarzer, Peter Meins, Kurt Voparil